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2. Image and Activity Bank Standardized Test Prep
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Standardized Test Prep

3. Chapter 14 Table of Contents Section 1 How We Use Land
Section 2 Urban Land Use
Section 3 Land Management and Conservation

4. Chapter 14 Objectives Distinguish between urban and rural land.
Section 1 How We Use Land
Objectives
Distinguish between urban and rural land.
Describe three major ways in which humans use land.
Explain the concept of ecosystem services.

5. Chapter 14 Land Use and Land Cover
Section 1 How We Use Land
Land Use and Land Cover
We use land for many purposes, including farming, mining, building cities and highways, and recreation.
Land cover is what you find on a patch of land, and it often depends on how the land is used. For example, land cover might be a forest, a field of grain, or a parking lot.
There are different types of land cover and different human uses for each cover type.

6. Chapter 14
Section 1 How We Use Land
Land Use and Land Cover

7. Chapter 14 Land Use and Land Cover
Section 1 How We Use Land
Land Use and Land Cover
Urban describes an area that contains a city, or an area that contains 2,500 or more people and usually has a governing body, such as a city council.
Rural describes an area of open land that is often used for farming, or any population not classified as urban.
Most land provides one or more resources that humans consume. These resources include wood in forests, crops in farmland, and mineral resources.

8. Chapter 14
Section 1 How We Use Land
Where We Live
Until about 1850, most people lived in rural areas.
Many of them were farmers, who grew crops and raised livestock. Others managed the forests, worked in local mines or mills, or manufactured the necessities of life for the town.
The Industrial Revolution changed this pattern as machinery made it possible for fewer people to operate a farm or grain mill and better transportation allowed manufacturers to be located farther from their customers.

9. Chapter 14
Section 1 How We Use Land
Where We Live
Thousands of rural jobs were eliminated, and many people had to move to cities to find jobs.
As a result, urban areas grew rapidly during the 20th century and spread over more land.
The movement of people from rural to urban areas happened in developed countries between about 1880 and Now, this movement is occurring rapidly in developing countries.

10. Chapter 14
Section 1 How We Use Land
Where We Live
Today, most people throughout the world live in urban areas.

11. The Urban-Rural Connection
Chapter 14
Section 1 How We Use Land
The Urban-Rural Connection
Whether people live in cities or in the countryside, people are dependent on resources produced in rural areas.
These resources include clean drinking water, fertile soil and land for crops, trees for wood and paper, and much of the oxygen we breath, which is produced by plants.
An ecosystem service is the role that organisms play in creating a healthful environment for humans.

12. The Urban-Rural Connection
Chapter 14
Section 1 How We Use Land
The Urban-Rural Connection

13. Supporting Urban Areas
Chapter 14
Section 1 How We Use Land
Supporting Urban Areas
The area of rural land needed to support one person depends on many factors, such as the climate, the standard of living, and how efficiently resources are used.
Each person in a developed country uses the ecosystem services provided by about 8 hectares of land. But, many people in developing countries do not have access to all the resources for a healthy life, and may use ecosystem services from less than a hectare of land per person.

14. Chapter 14
Section 2 Urban Land Use
Objectives
Describe the urban crisis, and explain what people are doing to deal with it.
Explain how urban sprawl affects the environment.
Explain how open spaces provide urban areas with environmental benefits.
Explain the heat-island effect.
Describe how people use the geographic information system as a tool for land-use planning.

15. Chapter 14
Section 2 Urban Land Use
Urbanization
Urbanization is an increase in the ratio or density of people living in urban areas rather than in rural areas. People usually leave rural areas for more plentiful and better paying jobs in towns and cities.
In developed countries, urbanization slowed in the second half of the 20th century.
As urban populations have grown, many small towns have grown together and formed large urban areas called metropolitan areas. An example would be Washington D.C.-Baltimore.

16. Chapter 14
Section 2 Urban Land Use
Urbanization
Urban areas that have grown slowly are often relatively pleasant places to live, in part because roads and public transportation have been built to handle the growth allowing traffic to flow freely.
Buildings, roads, and parking lots are mixed with green spaces that provide these urban areas with much needed ecosystem services such as moderation of temperature, infiltration of rainwater runoff, and aesthetic value.

17. Chapter 14 The Urban Crisis
Section 2 Urban Land Use
The Urban Crisis
A rapidly growing population, however, can overwhelm the infrastructure, leading to traffic jams, substandard housing, and polluted air and water.
Infrastructure is the basic facilities of a country or region, such as roads, bridges, sewers, and railroads.
When more people live in a city than its infrastructure can support, the living conditions deteriorate. This growth problem has become so widespread throughout the world that the term urban crisis was coined to describe it.

18. Chapter 14
Section 2 Urban Land Use
Urban Sprawl
Urban sprawl is the rapid spread of a city into adjoining suburbs and rural areas.
Much of this growth results in the building of suburbs, or housing and associated commercial buildings on the boundary of a larger town.
Many of these suburbs are built on land that was previously used for food production. In fact, each year suburbs spread over another 1 million hectares (2.5 million acres) of land in the United States.

19. Development on Marginal Lands
Chapter 14
Section 2 Urban Land Use
Development on Marginal Lands
Many cities were first built where there was little room for expansion. As the cities grew, suburbs were often built on marginal land, or land that is poorly suited for building.
For example, Los Angeles was built in a basin, and has expanded onto slopes that are prone to landslides.
Structures built on marginal land can become difficult or impossible to repair and can be expensive to insure.

20. Other Impacts of Urbanization
Chapter 14
Section 2 Urban Land Use
Other Impacts of Urbanization
Environmental conditions in the center of a city are different from those of the surrounding countryside, as cities both generate and trap more heat.
Heat island is an area in which the air temperature is generally higher than the temperature of surrounding rural areas.
Heat is generated by the infrastructure that makes a city run. Roads and buildings absorb and retain heat longer then vegetation does.

21. Other Impacts of Urbanization
Chapter 14
Section 2 Urban Land Use
Other Impacts of Urbanization
Scientists are beginning to see that heat islands can affect local weather patterns. Hot air rises over a city, cooling as it rises, and eventually produces rain clouds.
In Atlanta, Georgia, and many other cities, increased rainfall is a side effect of the heat island effect.
The heat-island effect may be moderated by planting trees for shade and by installing rooftops that reflect rather than retain heat.

22. Chapter 14 Urban Planning
Section 2 Urban Land Use
Urban Planning
Land-use planning is a set of policies and activities related to potential uses of land that is put in place before an area is developed.
The federal government requires developers to prepare detailed reports assessing the environmental impact of many projects, and the public has a right to comment on these reports.
Developers, city governments, local businesses, and citizens often disagree about land-use plans.

23. Chapter 14 Intelligent Design
Section 2 Urban Land Use
Intelligent Design
Land-use planners have sophisticated methods and tools available to them today.
The most important technological tools for land-use planning involve using the geographic information system.
A geographical information system (GIS) is an automated system for capturing, storing, retrieving, analyzing, manipulating, and displaying geographic data.

24. Chapter 14 Intelligent Design
Section 2 Urban Land Use
Intelligent Design
GIS software allows a user to enter different types of data about an area, such as the locations of sewer lines, roads, and parks, and then create maps with the data.
Each image corresponds to a different combination of information.
The power of GIS is that it allows a user to display layers of information about an area and to overlay these layers, like overhead transparencies, on top of one another.

25. Chapter 14 Transportation
Section 2 Urban Land Use
Transportation
Most cities in the United States are difficult to travel in without a car.
Most cities in the United States were constructed after the invention of the automobile. In addition, availability of land was not a limiting issue, so many American cities sprawl over large areas.
By contrast, most cities in Europe were built before cars, and are compact with narrow roads.

26. Chapter 14 Transportation
Section 2 Urban Land Use
Transportation
In many cities, mass transit systems were constructed in order to get people where they wanted to go. Mass transit systems use buses and trains to move many people at one time.
Mass transit systems save energy, limit the loss of land to roadways and parking lots, reduce highway congestion, and reduce air pollution.
Where the construction of mass transit systems is not reasonable, carpooling is an important alternative.

27. Chapter 14
Section 2 Urban Land Use
Open Space
Open space is land within urban areas that is set aside for scenic and recreational enjoyment. It also has many environmental benefits and provides valuable functions.
Open spaces include parks, public gardens, and bicycle and hiking trails.
Open spaces left in their natural conditions are often called greenbelts. These greenbelts provide important ecological services.

28. Chapter 14
Section 2 Urban Land Use
Open Space
The plants in open spaces absorb carbon dioxide, produce oxygen, filter out pollutants from air and water, and help keep a city cooler in the summer.
Open spaces, especially those with vegetation, also reduce drainage problems by absorbing more of the rainwater runoff from building roofs, asphalt, and concrete resulting in less flooding.
These open spaces also proved urban dwellers with much-needed places for exercise and relaxation.

29. Chapter 14 Objectives Explain the benefits of preserving farmland.
Section 3 Land Management and Conservation
Chapter 14
Objectives
Explain the benefits of preserving farmland.
Describe two ways that rangeland can be managed sustainably.
Describe the environmental effects of deforestation.
Explain the function of parks and of wilderness areas.

30. Chapter 14 Land Management
Section 3 Land Management and Conservation
Chapter 14
Land Management
The main categories of rural land are farmland, rangeland, forest land, national and state parks, and wilderness.
We have sometimes managed these lands sustainably so that they will provide resources indefinitely. We have also sometimes reduced their productivity by overusing or polluting them.
The condition of rural land is important because of the ecological services that it provides.

31. Section 3 Land Management and Conservation
Chapter 14
Farmlands
Farmland is land that is used to grow crops and fruit. The U.S. contains more than 100 million hectares of prime farmland.
However, in some places, urban development threatens some of the most productive farmland.
In 1996, the U.S. government established a national Farmland Protection Program to help state, county, and local governments protect farmland in danger of being paved over or otherwise developed.

32. Section 3 Land Management and Conservation
Chapter 14
Rangelands
Land that supports different vegetation types like grasslands, shrublands, and deserts and that is not used for farming or timber production is called rangeland.
Rangelands can be arid, like the rangelands in the desert Southwest, or relatively wet, like the rangelands of Florida.
The most common human use of rangeland is for the grazing of livestock.

33. Section 3 Land Management and Conservation
Chapter 14
Rangelands
Cattle, sheep, and goats are common livestock on the rangeland, which are valued for their meat, milk, wool, and hides.
Native wildlife also graze these lands.
Like farmland, rangeland is essential for maintaining the world’s food supply. World population growth may require a 40 percent increase in the food production of rangeland from 1977 to 2030.

34. Chapter 14 Problems on the Range
Section 3 Land Management and Conservation
Chapter 14
Problems on the Range
Overgrazing is the depletion of vegetation due to the continuous feeding of too many animals.
Overgrazing often results in changes in the plant community. Less desirable plants may invade the area and replace more-desirable plant species.
In cases of severe overgrazing, all the vegetation that covers the land is eaten. Once the plants are gone, there is nothing to keep the soil from eroding.

35. Chapter 14 Maintaining the Range
Section 3 Land Management and Conservation
Chapter 14
Maintaining the Range
Much of the rangeland in the U.S. is public land managed by the federal government, which leases the rangeland to ranchers. However, much of the rangeland in the U.S. is degraded.
The Public Rangelands Improvement Act of 1978 was enacted to reverse this trend and improve land management practices.
Sustaining the productivity of rangeland generally means reducing overgrazing by limiting herds to sizes that do not degrade the land.

36. Chapter 14 Maintaining the Range
Section 3 Land Management and Conservation
Chapter 14
Maintaining the Range
Improving rangeland that has been degraded by overgrazing often includes methods such as killing invasive plants, planting native vegetation, and fencing areas to let them recover to the state they were in before they were overgrazed.
Ranchers also control grazing by digging many small water holes so that the vegetation around a single water hole is not overgrazed.
Rangeland can also be left unused for periods of time so that the vegetation can recover.

37. Section 3 Land Management and Conservation
Chapter 14
Forest Lands
Trees are harvested to provide products we use everyday, such as paper, furniture, and lumber and plywood for our homes.
In addition to wood and paper, we also value forest products such as maple syrup and turpentine.
There are many ecosystem services provided by forests. However, one of the most important is the removal of CO2 from the air.

38. Chapter 14 Harvesting Trees People use enormous amounts of wood.
Section 3 Land Management and Conservation
Chapter 14
Harvesting Trees
People use enormous amounts of wood.
The worldwide average is 1,800 cm3 of wood used per person each day.
However, on average, each person in the United states uses about 3.5 times this amount.
About 1.5 billion people in developing countries depend on firewood as their main source of fuel.

39. Chapter 14 Harvesting Trees
Section 3 Land Management and Conservation
Chapter 14
Harvesting Trees
The timber industry classifies forest lands into three categories:
Virgin forests: forests that have never been cut.
Native forests: forests that are planted and managed.
Tree farms: areas where trees are planted in rows and harvested like other crops.
The two most widely used methods of harvesting trees are clear-cutting and selective cutting.

40. Chapter 14 Harvesting Trees
Section 3 Land Management and Conservation
Chapter 14
Harvesting Trees
Clear-cutting is the process of removing all of the trees from and area of land. Clear-cutting large areas destroys wildlife habitat and causes soil erosion.
Selective cutting is the process of cutting and removing only middle-aged or mature trees. It is more expensive than clear-cutting, but is usually much less destructive. It is usually practiced on smaller areas owned by individuals.

41. Section 3 Land Management and Conservation
Chapter 14
Harvesting Trees

42. Chapter 14 Deforestation
Section 3 Land Management and Conservation
Chapter 14
Deforestation
Deforestation is the process of clearing forests.
Most countries become severely deforested as populations expand and the demand for forest products increases.
Forests are cleared to convert the land into farmland, and to make space for roads, homes, factories, and office buildings.
Deforestation reduces wildlife habitat, but it has other impacts, too.

43. Chapter 14 Deforestation
Section 3 Land Management and Conservation
Chapter 14
Deforestation
For example, when forests are cleared from hillsides, soil erosion usually results if the area is not quickly planted with a cover crop. Without tree roots to hold the soil in place, it is easily washed or blown away into the valley below.
The rate of deforestation is especially high in tropical rain forests, where the soil is relatively thin. Farmers who clear forests in these areas must always move from one plot of land to another, clearing more forest land each time.

44. Chapter 14 Reforestation
Section 3 Land Management and Conservation
Chapter 14
Reforestation
Reforestation is the reestablishment and development of trees in a forest land.
In some places, reforestation is happening faster than trees are being cut down.
The price of deforestation, which causes soil erosion, landslides, and flooding, is sometimes too high, so in some areas the forest has been allowed to regenerate or has been replanted.

45. Chapter 14 Reforestation
Section 3 Land Management and Conservation
Chapter 14
Reforestation
Some governments require reforestation after timber has been harvested from public land. However, worldwide, more than 90 percent of all timber comes from forests that are not managed by an agency that monitors the health of forest ecosystems.
Many governments are currently working to improve reforestation efforts and to promote less destructive methods. Private organizations have established tree-planting programs on roadsides and in cities.

46. Chapter 14 Parks and Preserves
Section 3 Land Management and Conservation
Chapter 14
Parks and Preserves
In the 1870s, a group of explorers approached Congress with news of a magnificent expanse of land in Wyoming and Montana they believed would be damaged by the development that had changed the northeastern United States.
Congress agreed to protect this land by setting it aside for the public to use and enjoy, and the first national park, Yellowstone, was created.
Today, the U.S. has about 50 national parks.

47. Chapter 14 Parks and Preserves
Section 3 Land Management and Conservation
Chapter 14
Parks and Preserves

48. Chapter 14 Parks and Preserves
Section 3 Land Management and Conservation
Chapter 14
Parks and Preserves
Most public lands are not as protected as the national parks are.
Some public lands are leased to private companies for logging, mining, and ranching. Others are maintained for hunting, fishing, wild-life refuges, or to protect endangered species.
International efforts include the Biosphere Program that has set up several hundred preserves, called biosphere reserves, that include people in the management plan of the reserves.

49. Chapter 14 Parks and Preserves
Section 3 Land Management and Conservation
Chapter 14
Parks and Preserves

50. Section 3 Land Management and Conservation
Chapter 14
Wilderness
The U.S. Wilderness Act, passed in 1964, designated certain lands as wilderness areas.
Wilderness is a region that is not cultivated and that is not inhabited by humans.
So far, 474 regions covering 32 million acres have been designated as wilderness in the United States. These areas are open to hiking, fishing, and camping. Building roads or structures and using motorized equipment is not allowed in wilderness areas.

51. Benefits of Protected Areas
Section 3 Land Management and Conservation
Chapter 14
Benefits of Protected Areas
Protected areas often provide the only place where unspoiled forests, deserts, or prairies remain. Without these areas, the plants and animals that can survive only in these ecosystems would disappear.
Wilderness areas serve as outdoor classrooms and research labs where people can learn more about the natural world.
These protected areas also provide recreation, such as hiking and camping, for many people.

52. Threats to Protects Areas
Section 3 Land Management and Conservation
Chapter 14
Threats to Protects Areas
Around the world, more people visit national parks and wilderness areas each year and leave their mark on the land. Litter and traffic jams now plague many of our national parks.
Rangelands, mining and logging sites, oil and gas operations, power plants, and urban areas are often close enough to affect the parks.
In addition, preserved areas are affected by climate change and by air and water pollution, as are most other parts of the world.

53. Threats to Protect Areas
Section 3 Land Management and Conservation
Chapter 14
Threats to Protect Areas
In attempts to protect wilderness from damage, limits have been set in some areas on the number of people permitted in the area at any given time.
Some areas are completely closed to visitors to allow wild animals to breed.
In addition, volunteer programs are now active in many wilderness areas. Volunteers help pick up trash, build trails, control invading or exotic species, and help educate the visiting public.

54. Chapter 14
Section 1 How We Use Land
Bellringer

55. Urban Vs. Rural Population by World Region
Chapter 14
Section 1 How We Use Land
Urban Vs. Rural Population by World Region

56. Chapter 14
Section 2 Urban Land Use
Bellringer

57. GIS Views of Seattle, Washington
Chapter 14
Section 2 Urban Land Use
GIS Views of Seattle, Washington

58. Section 3 Land Management and Conservation
Chapter 14
Bellringer

59. United States National Parks
Section 3 Land Management and Conservation
Chapter 14
United States National Parks

60. Chapter 14 Multiple Choice
Standardized Test Prep
Multiple Choice
1. What is the term for the movement of people from rural areas to cities?
A. land-use planning
B. infrastructure
C. urban sprawl
D. urbanization

61. Chapter 14 Multiple Choice
Standardized Test Prep
Multiple Choice
1. What is the term for the movement of people from rural areas to cities?
A. land-use planning
B. infrastructure
C. urban sprawl
D. urbanization

62. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
2. Unplanned, rapid urban growth can create what problem?
F. Degradation of the ecosystem
G. Elimination of invasive vegetation
H. Infrastructure that cannot adequately support the population
I. Rangeland damaged from over grazing

63. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
2. Unplanned, rapid urban growth can create what problem?
F. Degradation of the ecosystem
G. Elimination of invasive vegetation
H. Infrastructure that cannot adequately support the population
I. Rangeland damaged from over grazing

64. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
3. What of the following statements generalize population distribution changes over the last 200 years?
A. Urban areas have doubled in size in 200 years.
B. More people lived in rural areas 200 years ago.
C. Population distribution has not significantly changed in 200 years.
D. Undeveloped countries have seen the most changes in 200 years.

65. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
3. What of the following statements generalize population distribution changes over the last 200 years?
A. Urban areas have doubled in size in 200 years.
B. More people lived in rural areas 200 years ago.
C. Population distribution has not significantly changed in 200 years.
D. Undeveloped countries have seen the most changes in 200 years.

66. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
4. Which of the following is an important aspect of land management?
F. increasing the overall size of the herds
G. leasing public lands from the federal government
H. reducing damage to land caused by overgrazing
I. removing fences from rangeland to allow livestock more grazing area

67. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
4. Which of the following is an important aspect of land management?
F. increasing the overall size of the herds
G. leasing public lands from the federal government
H. reducing damage to land caused by overgrazing
I. removing fences from rangeland to allow livestock more grazing area

68. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
5. Which of the following is an environmental benefit of open space?
A. Open space leads to a reduction in traffic flow.
B. Open space helps filter pollutants from air and water.
C. Open space means more land is available for planting.
D. Open space results in lower temperatures in the wintertime.

69. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
5. Which of the following is an environmental benefit of open space?
A. Open space leads to a reduction in traffic flow.
B. Open space helps filter pollutants from air and water.
C. Open space means more land is available for planting.
D. Open space results in lower temperatures in the wintertime.

70. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
Use this map to answer questions 6 through 9.

71. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
6. Which land-use designation has the greatest potential for growth?
F. forest
G. desert
H. urban areas
I. pasture areas

72. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
6. Which land-use designation has the greatest potential for growth?
F. forest
G. desert
H. urban areas
I. pasture areas

73. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
7. What is the most prevalent land use in the continental United States?
A. crops and grazing
B. desert
C. pastures and woods
D. urban areas

74. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
7. What is the most prevalent land use in the continental United States?
A. crops and grazing
B. desert
C. pastures and woods
D. urban areas

75. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
8. Which of the following conclusions is suggested by the map?
F. Most farmers live west of the Rocky Mountains.
G. There are more rural lands in the U.S. than there are urban lands.
H. Manufacturing plants are concentrated along the Mississippi River.
I. Industries dependent on wood and wood products are located mostly in the Midwest.

76. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
8. Which of the following conclusions is suggested by the map?
F. Most farmers live west of the Rocky Mountains.
G. There are more rural lands in the U.S. than there are urban lands.
H. Manufacturing plants are concentrated along the Mississippi River.
I. Industries dependent on wood and wood products are located mostly in the Midwest.

77. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
9. What percentage of states in the continental United States have some land available for crops and grazing?
A. 10%
B. 50%
C. 80%
D. 100%

78. Multiple Choice, continued
Chapter 14
Standardized Test Prep
Multiple Choice, continued
9. What percentage of states in the continental United States have some land available for crops and grazing?
A. 10%
B. 50%
C. 80%
D. 100%

79. Image and Activity Bank
Chapter 14
Section 1 How We Use Land
Image and Activity Bank

80. Image and Activity Bank
Chapter 14
Section 1 How We Use Land
Image and Activity Bank

81. Image and Activity Bank
Chapter 14
Section 1 How We Use Land
Image and Activity Bank

82. Image and Activity Bank
Chapter 14
Section 1 How We Use Land
Image and Activity Bank

83. Image and Activity Bank
Section 3 Land Management and Conservation
Chapter 14
Image and Activity Bank

84. Image and Activity Bank
Section 3 Land Management and Conservation
Chapter 14
Image and Activity Bank

85. Image and Activity Bank
Section 3 Land Management and Conservation
Chapter 14
Image and Activity Bank

86. Image and Activity Bank
Section 3 Land Management and Conservation
Chapter 14
Image and Activity Bank

87. Image and Activity Bank
Section 3 Land Management and Conservation
Chapter 14
Image and Activity Bank